This warning indicates the incorrect use of KM_SLEEP in a call
path which must use KM_PUSHPAGE to avoid deadlocking in direct
reclaim. See commit
b8d06fca089fae4680c3a552fc55c512bfb02202
for additional details.
SPL: Fixing allocation for task txg_sync (6093) which
used GFP flags 0x297bda7c with PF_NOFS set
Signed-off-by: Chris Dunlop <chris@onthe.net.au>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #917
if (dp->dp_blkstats == NULL) {
dp->dp_blkstats = kmem_alloc(sizeof (zfs_all_blkstats_t),
if (dp->dp_blkstats == NULL) {
dp->dp_blkstats = kmem_alloc(sizeof (zfs_all_blkstats_t),
- KM_SLEEP | KM_NODEBUG);
+ KM_PUSHPAGE | KM_NODEBUG);
}
bzero(dp->dp_blkstats, sizeof (zfs_all_blkstats_t));
}
bzero(dp->dp_blkstats, sizeof (zfs_all_blkstats_t));
arc_buf_t *buf = NULL;
blkptr_t *bp_toread;
arc_buf_t *buf = NULL;
blkptr_t *bp_toread;
- bp_toread = kmem_alloc(sizeof (blkptr_t), KM_SLEEP);
+ bp_toread = kmem_alloc(sizeof (blkptr_t), KM_PUSHPAGE);
*bp_toread = *bp;
/* ASSERT(pbuf == NULL || arc_released(pbuf)); */
*bp_toread = *bp;
/* ASSERT(pbuf == NULL || arc_released(pbuf)); */
dmu_buf_will_dirty(ds->ds_dbuf, tx);
dsl_scan_visit_rootbp(scn, ds, &ds->ds_phys->ds_bp, tx);
dmu_buf_will_dirty(ds->ds_dbuf, tx);
dsl_scan_visit_rootbp(scn, ds, &ds->ds_phys->ds_bp, tx);
- dsname = kmem_alloc(ZFS_MAXNAMELEN, KM_SLEEP);
+ dsname = kmem_alloc(ZFS_MAXNAMELEN, KM_PUSHPAGE);
dsl_dataset_name(ds, dsname);
zfs_dbgmsg("scanned dataset %llu (%s) with min=%llu max=%llu; "
"pausing=%u",
dsl_dataset_name(ds, dsname);
zfs_dbgmsg("scanned dataset %llu (%s) with min=%llu max=%llu; "
"pausing=%u",
* bookmark so we don't think that we're still trying to resume.
*/
bzero(&scn->scn_phys.scn_bookmark, sizeof (zbookmark_t));
* bookmark so we don't think that we're still trying to resume.
*/
bzero(&scn->scn_phys.scn_bookmark, sizeof (zbookmark_t));
- zc = kmem_alloc(sizeof(zap_cursor_t), KM_SLEEP);
- za = kmem_alloc(sizeof(zap_attribute_t), KM_SLEEP);
+ zc = kmem_alloc(sizeof(zap_cursor_t), KM_PUSHPAGE);
+ za = kmem_alloc(sizeof(zap_attribute_t), KM_PUSHPAGE);
/* keep pulling things out of the zap-object-as-queue */
while (zap_cursor_init(zc, dp->dp_meta_objset,
/* keep pulling things out of the zap-object-as-queue */
while (zap_cursor_init(zc, dp->dp_meta_objset,
- ev = kmem_zalloc(sizeof(zevent_t), KM_SLEEP);
+ ev = kmem_zalloc(sizeof(zevent_t), KM_PUSHPAGE);
if (ev == NULL)
return NULL;
if (ev == NULL)
return NULL;